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First hydropower to be generated from Ingula in May 2015 – Engineering News


By:Natalie Greve

After last year suffering delays as a result of an accident that claimed the lives of six people, progress is now being made on the development of energy utility Eskom’s Ingula pumped storage scheme,located between Ladysmith and Harrismith, in the Little Drakensberg.

Once completed, Ingula, now in its seventh year of construction, would be a peaking hydro power station, comprising an upper and lower dam or reservoir, separated in elevation by 480 m and boasting an underground powerhouse housing four 333 MW pump turbines 116 storeys below surface in two excavated underground caverns.

It would further boast an underground labyrinth of interconnecting tunnels and waterways, which would extend 6.5 km, while 3 km of access tunnels and several shafts would allow water to be released from the upper Bedford dam and delivered to the power-producing turbines, before being captured in the lower Braamhoek dam.

During off-peak times, the turbines would be reversed, pumping water back from Braamhoek dam to Bedford dam, in readiness for the next peak event.

View the full article on; http://www.engineeringnews.co.za/article/first-hydropower-to-be-generated-from-ingula-in-may-2015-2014-08-08/rep_id:3182#.U-hMZucfOG8.gmail